class Tools:
    def __init__(self):
        pass
    def tanslateType(self,fileExtension):
        dict={
            '.001':'application/x-001',
            '.323':'text/h323',
            '.907':'drawing/907',
            '.acp':'audio/x-mei-aac',
            '.aif':'audio/aiff',
            '.aiff':'audio/aiff',
            '.asa':'text/asa',
            '.asp':'text/asp',
            '.au':'audio/basic',
            '.awf':'application/vnd.adobe.workflow',
            '.bmp':'application/x-bmp',
            '.c4t':'application/x-c4t',
            '.cal':'application/x-cals',
            '.cdf':'application/x-netcdf',
            '.cel':'application/x-cel',
            '.cg4':'application/x-g4',
            '.cit':'application/x-cit',
            '.cml':'text/xml',
            '.cmx':'application/x-cmx',
            '.crl':'application/pkix-crl',
            '.csi':'application/x-csi',
            '.cut':'application/x-cut',
            '.dbm':'application/x-dbm',
            '.dcd':'text/xml',
            '.der':'application/x-x509-ca-cert',
            '.dib':'application/x-dib',
            '.doc':'application/msword',
            '.drw':'application/x-drw',
            '.dwf':'Model/vnd.dwf',
            '.dwg':'application/x-dwg',
            '.dxf':'application/x-dxf',
            '.emf':'application/x-emf',
            '.ent':'text/xml',
            '.etd':'application/x-ebx',
            '.fax':'image/fax',
            '.fif':'application/fractals',
            '.frm':'application/x-frm',
            '.gbr':'application/x-gbr',
            '.gif':'image/gif',
            '.gp4':'application/x-gp4',
            '.hmr':'application/x-hmr',
            '.hpl':'application/x-hpl',
            '.hrf':'application/x-hrf',
            '.htc':'text/x-component',
            '.html':'text/html',
            '.htx':'text/html',
            '.ico':'image/x-icon',
            '.iff':'application/x-iff',
            '.igs':'application/x-igs',
            '.img':'application/x-img',
            '.isp':'application/x-internet-signup',
            '.java':'java/*',
            '.jpe':'image/jpeg',
            '.jpeg':'image/jpeg',
            '.jsp':'text/html',
            '.lar':'application/x-laplayer-reg',
            '.lavs':'audio/x-liquid-secure',
            '.lmsff':'audio/x-la-lms',
            '.ltr':'application/x-ltr',
            '.m2v':'video/x-mpeg',
            '.m4e':'video/mpeg4',
            '.man':'application/x-troff-man',
            '.mdb':'application/msaccess',
            '.mfp':'application/x-shockwave-flash',
            '.mhtml':'message/rfc822',
            '.mid':'audio/mid',
            '.mil':'application/x-mil',
            '.mnd':'audio/x-musicnet-download',
            '.mocha':'application/x-javascript',
            '.mp1':'audio/mp1',
            '.mp2v':'video/mpeg',
            '.mp4':'video/mpeg4',
            '.mpd':'application/vnd.ms-project',
            '.mpeg':'video/mpg',
            '.mpga':'audio/rn-mpeg',
            '.mps':'video/x-mpeg',
            '.mpv':'video/mpg',
            '.mpw':'application/vnd.ms-project',
            '.mtx':'text/xml',
            '.net':'image/pnetvue',
            '.nws':'message/rfc822',
            '.out':'application/x-out',
            '.p12':'application/x-pkcs12',
            '.p7c':'application/pkcs7-mime',
            '.p7r':'application/x-pkcs7-certreqresp',
            '.pc5':'application/x-pc5',
            '.pcl':'application/x-pcl',
            '.pdx':'application/vnd.adobe.pdx',
            '.pgl':'application/x-pgl',
            '.pko':'application/vnd.ms-pki.pko',
            '.plg':'text/html',
            '.plt':'application/x-plt',
            '.ppa':'application/vnd.ms-powerpoint',
            '.pps':'application/vnd.ms-powerpoint',
            '.prf':'application/pics-rules',
            '.prt':'application/x-prt',
            '.ps':'application/postscript',
            '.pwz':'application/vnd.ms-powerpoint',
            '.ra':'audio/vnd.rn-realaudio',
            '.ras':'application/x-ras',
            '.rdf':'text/xml',
            '.red':'application/x-red',
            '.rjs':'application/vnd.rn-realsystem-rjs',
            '.rlc':'application/x-rlc',
            '.rm':'application/vnd.rn-realmedia',
            '.rmi':'audio/mid',
            '.rmm':'audio/x-pn-realaudio',
            '.rms':'application/vnd.rn-realmedia-secure',
            '.rmx':'application/vnd.rn-realsystem-rmx',
            '.rp':'image/vnd.rn-realpix',
            '.rsml':'application/vnd.rn-rsml',
            '.rtf':'application/msword',
            '.rv':'video/vnd.rn-realvideo',
            '.sat':'application/x-sat',
            '.sdw':'application/x-sdw',
            '.slb':'application/x-slb',
            '.slk':'drawing/x-slk',
            '.smil':'application/smil',
            '.snd':'audio/basic',
            '.sor':'text/plain',
            '.spl':'application/futuresplash',
            '.ssm':'application/streamingmedia',
            '.stl':'application/vnd.ms-pki.stl',
            '.sty':'application/x-sty',
            '.swf':'application/x-shockwave-flash',
            '.tg4':'application/x-tg4',
            '.tif':'image/tif',
            '.tiff':'image/tiff',
            '.top':'drawing/x-top',
            '.tsd':'text/xml',
            '.uin':'application/x-icq',
            '.vcf':'text/x-vcard',
            '.vdx':'application/vnd.visio',
            '.vpg':'application/x-vpeg005',
            '.vst':'application/vnd.visio',
            '.vsw':'application/vnd.visio',
            '.vtx':'application/vnd.visio',
            '.wav':'audio/wav',
            '.wb1':'application/x-wb1',
            '.wb3':'application/x-wb3',
            '.wiz':'application/msword',
            '.wk4':'application/x-wk4',
            '.wks':'application/x-wks',
            '.wma':'audio/x-ms-wma',
            '.wmf':'application/x-wmf',
            '.wmv':'video/x-ms-wmv',
            '.wmz':'application/x-ms-wmz',
            '.wpd':'application/x-wpd',
            '.wpl':'application/vnd.ms-wpl',
            '.wr1':'application/x-wr1',
            '.wrk':'application/x-wrk',
            '.ws2':'application/x-ws',
            '.wsdl':'text/xml',
            '.xdp':'application/vnd.adobe.xdp',
            '.xfd':'application/vnd.adobe.xfd',
            '.xhtml':'text/html',
            '.xml':'text/xml',
            '.xq':'text/xml',
            '.xquery':'text/xml',
            '.xsl':'text/xml',
            '.xwd':'application/x-xwd',
            '.sis':'application/vnd.symbian.install',
            '.x_t':'application/x-x_t',
            '.apk':'application/vnd.android.package-archive',
            '.301':'application/x-301',
            '.906':'application/x-906',
            '.a11':'application/x-a11',
            '.ai':'application/postscript',
            '.aifc':'audio/aiff',
            '.anv':'application/x-anv',
            '.asf':'video/x-ms-asf',
            '.asx':'video/x-ms-asf',
            '.avi':'video/avi',
            '.biz':'text/xml',
            '.bot':'application/x-bot',
            '.c90':'application/x-c90',
            '.cat':'application/vnd.ms-pki.seccat',
            '.cdr':'application/x-cdr',
            '.cer':'application/x-x509-ca-cert',
            '.cgm':'application/x-cgm',
            '.class':'java/*',
            '.cmp':'application/x-cmp',
            '.cot':'application/x-cot',
            '.crt':'application/x-x509-ca-cert',
            '.css':'text/css',
            '.dbf':'application/x-dbf',
            '.dbx':'application/x-dbx',
            '.dcx':'application/x-dcx',
            '.dgn':'application/x-dgn',
            '.dll':'application/x-msdownload',
            '.dot':'application/msword',
            '.dtd':'text/xml',
            '.dxb':'application/x-dxb',
            '.edn':'application/vnd.adobe.edn',
            '.eml':'message/rfc822',
            '.epi':'application/x-epi',
            '.eps':'application/postscript',
            '.exe':'application/x-msdownload',
            '.fdf':'application/vnd.fdf',
            '.fo':'text/xml',
            '.g4':'application/x-g4',
            '.gl2':'application/x-gl2',
            '.hgl':'application/x-hgl',
            '.hpg':'application/x-hpgl',
            '.hqx':'application/mac-binhex40',
            '.hta':'application/hta',
            '.htm':'text/html',
            '.htt':'text/webviewhtml',
            '.icb':'application/x-icb',
            '.ig4':'application/x-g4',
            '.iii':'application/x-iphone',
            '.ins':'application/x-internet-signup',
            '.IVF':'video/x-ivf',
            '.jfif':'image/jpeg',
            '.jpg':'image/jpeg',
            '.js':'application/x-javascript',
            '.la1':'audio/x-liquid-file',
            '.latex':'application/x-latex',
            '.lbm':'application/x-lbm',
            '.ls':'application/x-javascript',
            '.m1v':'video/x-mpeg',
            '.m3u':'audio/mpegurl',
            '.mac':'application/x-mac',
            '.math':'text/xml',
            '.mht':'message/rfc822',
            '.mi':'application/x-mi',
            '.midi':'audio/mid',
            '.mml':'text/xml',
            '.mns':'audio/x-musicnet-stream',
            '.movie':'video/x-sgi-movie',
            '.mp2':'audio/mp2',
            '.mp3':'audio/mp3',
            '.mpa':'video/x-mpg',
            '.mpe':'video/x-mpeg',
            '.mpg':'video/mpg',
            '.mpp':'application/vnd.ms-project',
            '.mpt':'application/vnd.ms-project',
            '.mpv2':'video/mpeg',
            '.mpx':'application/vnd.ms-project',
            '.mxp':'application/x-mmxp',
            '.nrf':'application/x-nrf',
            '.odc':'text/x-ms-odc',
            '.p10':'application/pkcs10',
            '.p7b':'application/x-pkcs7-certificates',
            '.p7m':'application/pkcs7-mime',
            '.p7s':'application/pkcs7-signature',
            '.pci':'application/x-pci',
            '.pcx':'application/x-pcx',
            '.pdf':'application/pdf',
            '.pfx':'application/x-pkcs12',
            '.pic':'application/x-pic',
            '.pl':'application/x-perl',
            '.pls':'audio/scpls',
            '.png':'image/png',
            '.pot':'application/vnd.ms-powerpoint',
            '.ppm':'application/x-ppm',
            '.ppt':'application/vnd.ms-powerpoint',
            '.pr':'application/x-pr',
            '.prn':'application/x-prn',
            '.ptn':'application/x-ptn',
            '.r3t':'text/vnd.rn-realtext3d',
            '.ram':'audio/x-pn-realaudio',
            '.rat':'application/rat-file',
            '.rec':'application/vnd.rn-recording',
            '.rgb':'application/x-rgb',
            '.rjt':'application/vnd.rn-realsystem-rjt',
            '.rle':'application/x-rle',
            '.rmf':'application/vnd.adobe.rmf',
            '.rmj':'application/vnd.rn-realsystem-rmj',
            '.rmp':'application/vnd.rn-rn_music_package',
            '.rmvb':'application/vnd.rn-realmedia-vbr',
            '.rnx':'application/vnd.rn-realplayer',
            '.rpm':'audio/x-pn-realaudio-plugin',
            '.rt':'text/vnd.rn-realtext',
            '.sam':'application/x-sam',
            '.sdp':'application/sdp',
            '.sit':'application/x-stuffit',
            '.sld':'application/x-sld',
            '.smi':'application/smil',
            '.smk':'application/x-smk',
            '.sol':'text/plain',
            '.spc':'application/x-pkcs7-certificates',
            '.spp':'text/xml',
            '.sst':'application/vnd.ms-pki.certstore',
            '.stm':'text/html',
            '.svg':'text/xml',
            '.tdf':'application/x-tdf',
            '.tga':'application/x-tga',
            '.tld':'text/xml',
            '.torrent':'application/x-bittorrent',
            '.txt':'text/plain',
            '.uls':'text/iuls',
            '.vda':'application/x-vda',
            '.vml':'text/xml',
            '.vsd':'application/vnd.visio',
            '.vss':'application/vnd.visio',
            '.vsx':'application/vnd.visio',
            '.vxml':'text/xml',
            '.wax':'audio/x-ms-wax',
            '.wb2':'application/x-wb2',
            '.wbmp':'image/vnd.wap.wbmp',
            '.wk3':'application/x-wk3',
            '.wkq':'application/x-wkq',
            '.wm':'video/x-ms-wm',
            '.wmd':'application/x-ms-wmd',
            '.wml':'text/vnd.wap.wml',
            '.wmx':'video/x-ms-wmx',
            '.wp6':'application/x-wp6',
            '.wpg':'application/x-wpg',
            '.wq1':'application/x-wq1',
            '.wri':'application/x-wri',
            '.ws':'application/x-ws',
            '.wsc':'text/scriptlet',
            '.wvx':'video/x-ms-wvx',
            '.xdr':'text/xml',
            '.xfdf':'application/vnd.adobe.xfdf',
            '.xls':'application/vnd.ms-excel',
            '.xlw':'application/x-xlw',
            '.xpl':'audio/scpls',
            '.xql':'text/xml',
            '.xsd':'text/xml',
            '.xslt':'text/xml',
            '.x_b':'application/x-x_b',
            '.sisx':'application/vnd.symbian.install',
            '.ipa':'application/vnd.iphone',
            '.xap':'application/x-silverlight-app',
        }

        if dict.has_key(fileExtension):
            return dict[fileExtension]
        else:
            return 'application/octet-stream'


